Why do we need a new I-5 bridge? "Pressure is mounting for another Cascadia Subduction Zone megathrust. At risk are the two ...

The recent earthquake swarm near Santorini has brought the topic of volcanoes in Greece back into the spotlight.

I recently participated in a three-week-long, National Science Foundation-funded research cruise to the Mariana Trench. Our ...

Discover interesting facts about how big earthquakes can get, why earthquakes happen, and why they're so hard to predict.

With eruptions in 1998, 2011, and 2015, the volcano serves as a perfect laboratory, and experts expect an eruption by the end ...

Crews are finishing up digging a 125-foot hole to install a test foundation that they'll use to test the earthquake-resistant ...

The new bridge will be earthquake-ready, so crews are digging a 10-foot-wide, 125-foot-deep hole to see how concrete supports react during a simulated seismic event.

These ancient buried "super-continents"—known to scientists as large low-seismic-velocity provinces (LLSVPs)—were found lurking below Africa and the Pacific Ocean, entombed some 1,200 miles below the ...

Since 2016, talk of Multnomah County’s Burnside Bridge rebuild has all been conceptual. Last month, the seismic upgrades ...

Over 25 years ago, researchers discovered that some of these deep Earth reverberations pointed to the existence of two underground “super-continents” hundreds of miles beneath Africa and the Pacific ...

A 4.2 magnitude earthquake struck about 143 miles southwest of Tofino, B.C., at around 5:53 a.m. A second 3.0 magnitude earthquake struck the same general area, directly west of Washington's Olympic ...

PORTLAND, Ore. (KOIN) – January 26 marked the 325th anniversary since the last earthquake struck the Cascadia Subduction Zone. Centuries later, the ancient quake has left clues for scientists to ...